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At present the main research and the application public key the system crypto-algorithm has two kinds: The RSA algorithm and the ECC algorithm, former based on the great divisor of integers decomposition difficult problem, latter is separated the logarithmic computation difficult problem based on the elliptic curve in.

目前主要研究和应用的公开密钥系统的密码算法有两种：RSA算法和ECC算法，前者基于大整数因子分解难题，后者基于椭圆曲线上离散对数计算难题。

PAPER BASED TRANSACTION SYSTEMS, MASS PAYMENT SYSTEMS, IMAGE BASED DOCUMENT PROCESSING SYSTEMS, DATA ENTRY SYSTEMS

软件公司，主要产品为：基于票据交易系统、人工扫描收款及支付系统、基于图象的文件处理系统、数据登记系统。

And after measuring the Doppler shift of scattered light, the winds speed can be calculated.

在本文中，分别介绍了基于CO_2激光器的相干测速和基于1.55μm光纤激光器的全光纤相干测风两种实验系统。

Compared with the compress algorithm based on trigonometry invariant equation, the new algorithm can double the compress ratio with the same performance, which means reduction the power and higher operating speed of the digital modulator.

在得到相同性能的前提下，与现有的基于三角恒等式的压缩方法相比，基于Talor级数的压缩算法提高了1倍的压缩比，从而使更快速更低功耗的数字调制器的实现成为可能。

In order to overcome the aliasing phenomenon commonly existing in real contourlet transform image denoising, some characters of complex contourlet transform whose structure is a cascading of dual tree complex wavelet and directional filter banks are discussed. It is proved that the transform performs well at division and restraining ability under white Gaussian noise condition. Then, an image denoising algorithm was proposed based on the transform.

为了克服实轮廓波图像消噪后广泛存在的混叠现象，研究了基于双树复小波级联方向滤波器架构的复轮廓波变换图像消噪的若干性质，证明了对于高斯白噪声图像，该变换具有更好的分割能力和抑制能力，并在此基础上提出了一种基于该变换的图像消噪算法。

A supervised texture image segmentation algorithm based on dual tree complex wavelet transformand Markov random fieldmodel is proposed. The algorithm consists of two steps. First, the complex transform coefficients are statistically modelled

基于对偶树复小波和马尔可夫随机场模型提出了一种监督纹理图像分割算法，算法包括两个步骤，首先对复小波变换系数进行较为精确的建模，提取其一阶统计信息作为纹理特征，综合多个尺度的信息，基于极大似然标准进行初始分割

Firstly,a node-based topology relationship model of transport network is presented,in which the physical connection and the logical connection are described.Secondly,the structure of search node is defined in the sight of dual graph theory as a solution for turn prohibitions and delays in road intersections.

提出了基于节点的交通网络拓扑关系模型，描述交通网络的物理连通性以及逻辑连通性；根据对偶图的思想，定义搜索节点结构，处理交叉口转向限制和延误；改进传统的Dijkstra算法，提出了基于搜索节点的双向启发式A*算法，使用二叉堆优先级队列存储扩展节点，RB-tree存储标记节点。

In the paper, the basic theory, the key technology of New GPS is investigated. The framework of GPS knowledge base is constructed based with databases based on the general matrix model and Inference Mechanisms based on the duality principle of New GPS.

本文通过对新一代GPS 的理论基础、关键技术的分析和研究，依据新一代GPS 的通用矩阵模型和对偶性原理，研究并提出了GPS 知识库的基本框架，GPS 知识库由基于通用GPS(来源：A31BC论文网www.abclunwen.com)矩阵模型搭建的数据库和基于对偶性原理设计的知识推理机构组成。

Recently,one attribute re- duction definition based on the new information entropy is proposed by some researchers.

经深入研究，我们证明了该属性约简与基于HU差别矩阵的属性约简是等价的，从而给出了基于HU差别矩阵的属性约简的信息观解释。

From dynamic invocation and the store of service configuration information to improve service integration capability, promotes the UDCI structure based on WSDL and SOAP dynamically generating and parsing, and gives the data model of service configuration information based on the weak consistency of the database, the end, take the patent search service verification platform integrated integration capabilities.

本文从动态调用、服务配置信息数据存储两方面提高服务集成能力，提出基于WSDL和SOAP动态生成解析的UDCI的架构，并给出基于弱一致性数据库的服务配置信息数据模型，最后以专利检索服务集成应用验证平台集成服务能力。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。